Hi scallywaggles,
http://austcemindex.com/inscription.php?id=7875382Photo of Catherine MEIZER headstone, at Narromine. She died 29.03.1929, aged 70 years. John MEIZER died a few months later, 23.07.1929.
Wellington Times, carried an obituary, on 8 April 1929, for Catherine MEIZER, which states that she was born in Sydney and married in 1873.
Trove search words:
"Catherine meizer"
Mary